Nkhaniyi imasankha makamaka mma, ba, aa monga monomers, ndikukambirana zomwe zimachitika, monga njira iliyonse yoyambitsa ndi molymer iliyonse. Mbewu imayamba kusunthidwa koyamba, kenako zimasunthidwa ndikusungunuka ndi solvent wosakaniza ndi 70 ~ 80 ° C. Kenako ndiye kuti ndiye BPO imawonjezeredwa m'matumba. Woyamba momemer Mma kusungunuka ndi BOP atawonjezeredwa pa 80 ~ 90 ° C kwa mphindi 20, kenako ndikuwonjezeranso monomer wachiwiri pa 84 ~ 88 ~ ndikuyambitsa kwa mphindi 45, pitilizani Kutentha kwa maola 1.5 ~ 2 ~, kenako pezani cr / Mma-Ba-Ba-Ba-Ba-Barmerization Polymerization Polymerization PRA-MMA-Ba, mtengo wake ndi 6.6 k.m-1.
Mawu ofunikira: neoprene code yomatira, guluu nsapato, magawo angapo olumikizidwa neoprene zomatira.
Cellulose etherMCndiHpmcKhalani ndi magwiridwe antchito abwino, emulsization, kuthira, kotsatira, mafilimu, kusungunuka kwamadzi, komanso kusungunuka, komanso kusungunuka.
The main products currently developed are RT series MC and HPMC varieties, whose grades are 50RT (Methylcellulose), 60RT (Hydroxypropylmethylcellulose), 65RT (Hydroxypropylmethylcellulose), 75RT (Hydroxypropylmethylcellulose), corresponding to the grades of DOW Chemical Company are Methocel A, E, F ndi k, motero.
Zogulitsa zopindika za RT ndizothandiza kwambiri pazowonjezera zomangira chifukwa chogwirizana, kukhazikika komanso kusungunuka kwamadzi. Mwachitsanzo, amatha kupangidwa khoma labwino kwambiri la "lamba wapansi pa matanthwe", lomwe limadziwika kuti ufa wa mphira, womwe umagwiritsidwa ntchito pabwalo la Beijing West, zotsatira zake ndi zabwino. Kuphatikiza apo, itha kugwiritsidwa ntchito ngati electrolyte ya electrolyte mu ma electrolytic ndi madeji a elekitirode omwe ali m'magetsi amagetsi, a Andopine, Aminopyrine ndi makristali a emulsions m'madzi mu utoto. Pakati pa utoto wa mochedwa ndi utoto wa madzi, utha kugwiritsidwa ntchito ngati wothandizira wa makanema, Thiclsifer, emulsifier ndi stalsifier ndi sterufar, etc.
Mawu ofunikira: methyl cellulose, hydroxy prolinulose, zomatira, kugwiritsa ntchito.
Kukula kwa Phukusi la Phukusi la Phukusi Lapamwamba
M'zaka zaposachedwa, njira yatsopano ya pulasitiki ya pulasitiki yolembedwa idapangidwa. Ndi BOPP (molyppoally polypropylene filimu) yolumikizidwa ndi zomatira kenako ndikugwirizanitsidwa ndi nkhani yosindikizidwa ndi simbale ya mphira ndi kudzikuza kuti apange pepala. / Phukusi la Phukusi la Pulani-1. Izi zimaphatikizapo vuto la pepala ndi pulasitiki. Bopp ndi chinthu chosakhala polar, chifukwa chake, pakufunika zomatira zomwe zimapangitsa kuti pakhale zinthu zonse za polar komanso polar.
Kusakaniza sbs zomatira ndi epoxy stun ali ndi mgwirizano wabwino. SBS ndi viscose ya elastomer. Itha kuwoneka kuchokera pakulephera kwake kuti muchepetse mphamvu yododometsa ya ma viscose, ziyenera kuwongoleredwa mozungulira sbs: epoxy stun = 2: 1. Kuchokera pa zolimba paphewa, zimawoneka kuti chiwerengerocho chili chokwera, mphamvu ya peel idzakhala yabwino, koma molukula zidzakhalanso zochuluka. Pofuna kupewa zomata, embuxy resin = 1: 1 ~ 2.5: 1 ikhoza kulamulidwa kuti ipeze mphamvu yokulira pang'ono. Poganizira mokwanira, dziwitsani za gulu laudindo wamkulu: epoxy stun = 1: 1 ~ 3.5: 1.
Ntchito yayikulu yogwiritsa ntchito malo ogwiritsira ntchito ndikuwonjezera mphamvu ya matrix ndikusintha chivomerezi cha guluu ndi kuphatikizika. Zojambulajambula zomwe zimagwiritsidwa ntchito mu kafukufukuyu ndi rosin tackisier yopangidwa ndi rosin wamba komanso kuchepera rosin mosiyanasiyana. Kupyola mayeso ambiri, kumanenedwa kuti kuchuluka kwa rosin kokhazikika mu tacsisier ndi 22.5%, ndipo mphamvu yayikulu ya guluume yokonzedwa molingana ndi chiwerengerochi ndi 1.5mm (pepala-25mm (pepala).
Kuchuluka kwa tackisier kuli ndi chidaliro china pa zomatira. Zotsatira zabwino kwambiri ndi pamene chiwerengero cha guluu wamkulu ndi tackisier ndi 1: 1. Peel nyonga n / mm pulasitiki 1.4, pepala-pulasitiki 1.6.
Mu kafukufukuyu, mma adagwiritsidwa ntchito ngati wosakanikirana kuphatikiza sbs ndi MMA. Kuyesa kwawona kuti kugwiritsa ntchito mma sikungangokwaniritsa cholinga chomugwetsa a Colcoid, komanso kuchepetsa mafayilo ndikusintha mphamvu yomatira. Chifukwa chake, mma ndi woyenera kusinthidwa. Pambuyo poyesa, kuchuluka kwa mmaogwiritsa ntchito ndi kuchuluka kwa guluu 5% ~ 10% ndi yoyenera.
Popeza viscose yokhazikitsidwa iyenera kukhala yosungunuka madzi, timasankha ma loldal (polyvinyl emulsion) ngati chonyamulira madzi. Kuchuluka kwa maakaunti oyera azaka zapakati pa 60% ya viscose yonse. Ma viscose opangidwa ndi madzi atakhazikika m'madzi obalalika kudzera mu kubalandira ndi emulsization ya onyamula magazi Njira yochepetsera iyi ndi yotsika mtengo komanso osakhala ndi poizoni (palibe chifukwa chogwiritsira ntchito zolimbitsa thupi), ndipo mitundu yabwino kwambiri ya madzi ndi 10% ~ 20%.
Pofuna kuchotsa zotsalira za ma visose, zimayesedwa ndi subryco3 yankho limagwiritsidwa ntchito ngati wothandizira wothandizira, ndipo zotsatira zake ndizabwino kwambiri. Chiphunzitso cha zotsatira za olemekezeka chikhoza kukhala kuti kambulumetiction chimayambitsa ma ayoro a ion wachilengedwe, monga sodium kwambiri, kotero kuti oyambira a rosin rosin amasinthidwa kukhala sodium mchere. Kuphatikiza apo, ngati maziko olimba kwambiri amawonjezeredwa kwa guluu, mphamvu yomatira idzatayika, kotero kuti guluu limalephera, kotero guluu silili loyenera malo achimwali.
Njira yoyenera yoyenda.
Post Nthawi: Apr-25-2024